CVE-2021-25487 is a critical out-of-bounds read vulnerability in Samsung Android's modem interface driver, specifically within the set_skb_priv() function, affecting devices prior to the October 2021 SMR. This flaw allows for arbitrary code execution due to the dereferencing of an invalid function pointer. With a CVSS score of 7.8 (High), it requires local access but has low attack complexity, leading to high impacts on confidentiality, integrity, and availability. Notably, this vulnerability is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog, though public exploit code (Metasploit, Nuclei, ExploitDB) is not readily available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.1CPE matchmatch criteria | cpe:2.3:o:samsung:android:8.1:-:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:samsung:android:9.0:smr-apr-2021-r1:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:samsung:android:9.0:smr-aug-2021-r1:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:samsung:android:9.0:smr-feb-2021-r1:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:samsung:android:9.0:smr-jan-2021-r1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.